diff --git a/include/wx/stc/stc.h b/include/wx/stc/stc.h
index 4887511ead..589d081bef 100644
--- a/include/wx/stc/stc.h
+++ b/include/wx/stc/stc.h
@@ -3056,7 +3056,7 @@ public:
     // Is the IME displayed in a window or inline?
     int GetIMEInteraction() const;
 
-    // Choose to display the the IME in a winow or inline.
+    // Choose to display the IME in a winow or inline.
     void SetIMEInteraction(int imeInteraction);
 
     // Set the symbol used for a particular marker number,
@@ -3377,7 +3377,7 @@ public:
     // Experimental feature, currently buggy.
     void StyleSetChangeable(int style, bool changeable);
 
-    // Display a auto-completion list.
+    // Display an auto-completion list.
     // The lengthEntered parameter indicates how many characters before
     // the caret should be used to provide context.
     void AutoCompShow(int lengthEntered, const wxString& itemList);
diff --git a/src/stc/scintilla/include/Scintilla.iface b/src/stc/scintilla/include/Scintilla.iface
index 035d80235f..c1760df4ea 100644
--- a/src/stc/scintilla/include/Scintilla.iface
+++ b/src/stc/scintilla/include/Scintilla.iface
@@ -263,7 +263,7 @@ val SC_IME_INLINE=1
 # Is the IME displayed in a window or inline?
 get int GetIMEInteraction=2678(,)
 
-# Choose to display the the IME in a winow or inline.
+# Choose to display the IME in a winow or inline.
 set void SetIMEInteraction=2679(int imeInteraction,)
 
 enu MarkerSymbol=SC_MARK_
@@ -736,7 +736,7 @@ set void SetCaretLineBack=2098(colour back,)
 # Experimental feature, currently buggy.
 set void StyleSetChangeable=2099(int style, bool changeable)
 
-# Display a auto-completion list.
+# Display an auto-completion list.
 # The lengthEntered parameter indicates how many characters before
 # the caret should be used to provide context.
 fun void AutoCShow=2100(int lengthEntered, string itemList)
diff --git a/src/stc/stc.cpp b/src/stc/stc.cpp
index ae370dabea..427d095c67 100644
--- a/src/stc/stc.cpp
+++ b/src/stc/stc.cpp
@@ -582,7 +582,7 @@ int wxStyledTextCtrl::GetIMEInteraction() const
     return SendMsg(SCI_GETIMEINTERACTION, 0, 0);
 }
 
-// Choose to display the the IME in a winow or inline.
+// Choose to display the IME in a winow or inline.
 void wxStyledTextCtrl::SetIMEInteraction(int imeInteraction)
 {
     SendMsg(SCI_SETIMEINTERACTION, imeInteraction, 0);
@@ -1320,7 +1320,7 @@ void wxStyledTextCtrl::StyleSetChangeable(int style, bool changeable)
     SendMsg(SCI_STYLESETCHANGEABLE, style, changeable);
 }
 
-// Display a auto-completion list.
+// Display an auto-completion list.
 // The lengthEntered parameter indicates how many characters before
 // the caret should be used to provide context.
 void wxStyledTextCtrl::AutoCompShow(int lengthEntered, const wxString& itemList)
diff --git a/src/stc/stc.interface.h.in b/src/stc/stc.interface.h.in
index 3ce91d11e4..7d2ed03a07 100644
--- a/src/stc/stc.interface.h.in
+++ b/src/stc/stc.interface.h.in
@@ -1076,7 +1076,7 @@ public:
 
     @c wxEVT_STC_INDICATOR_CLICK
 
-    - Generated when a indicator has been clicked.
+    - Generated when an indicator has been clicked.
 
     - Valid event functions:
     @link wxStyledTextEvent::GetModifiers GetModifiers@endlink,